{"id":120430,"date":"2015-08-28T02:00:00","date_gmt":"2015-08-27T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=9b08cf0a3a10a1445112dd63b9363824"},"modified":"2015-08-28T02:00:00","modified_gmt":"2015-08-27T23:00:00","slug":"now-you-can-run-naked-and-shout-eureka","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=120430","title":{"rendered":"Now you can run naked and shout Eureka!"},"content":{"rendered":"<p>A common mistake in introductory physics textbooks is the omission of the buoyant force exerted by<br \/>\nthe air on an object floating in a liquid. One previous work (Lan 2000 Phys. Teach. 38 [http:\/\/<br \/>\nhttp:\/\/dx.doi.org\/10.1119\/1.880449] 125 ) includes that missing term but assumes that the air, like<br \/>\nthe liquid, is incompressible. Here we account for the barometric variation in the density of air<br \/>\nwith altitude. Although the numerical size of that correction is small, it is conceptually important<br \/>\nbecause it helps students better appreciate that buoyancy results from the variation in fluid<br \/>\npressure across the surface of an object.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A common mistake in introductory physics textbooks is the omission of the buoyant force exerted by<br \/>\nthe air on an object floating in a liquid. One previous work (Lan 2000 Phys. Teach. 38 [http:\/\/<br \/>\nhttp:\/\/dx.doi.org\/10.1119\/1.880449] 125 ) includes that&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-120430","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/120430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=120430"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/120430\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=120430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=120430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=120430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}